timer in javascript

Question

Hello everybody i have create an html page that containt two div with two table and each 5 senconds table toggle and the whole page is refreshed in 2 minutes with this ////////////:
setInterval(function(){ location.reload(); }, 120000);
/////////////////////////////////////////
i want to create a timer that show me the time before refresh .

Answer 1

Using a function show that shows on the page the content given as parameter

let x = 1;
setInterval(function() {
show(120000 - x*1000);
x++;
}, 1000);